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2016年6月 第16卷 第2期《威尼斯网站学报》

编辑: 时间:2017-04-06 点击数:

威尼斯网站学报 No.2 Vol.16 2016年第2 (总第75期)

目次

【工程技术研究与应用】

含2-(1,3 -二巯基-2-亚基)丙二腈基团结构的有机场效应晶体管材料合成 刘 珂,吴海霞,张浩力(1)

碳化硅在不同工艺条件下的质量评价 马进毅,姜璋,陈树国,瞿继义(6)

散布图在柴油生产中的应用 张威武,杨金亮,鲁婧(9)

轴上套环的数控车削加工工艺设计及优化 倪春杰(12)

细长孔产品压铸模具结构方案优化设计 魏雅丽,杨 旭,张 勇(15)

304不锈钢热处理工艺研究 尹文艳(18)

AutoCAD图形插入Word文档中控制线宽的方法比较 赵 丹,付爱萍(21)

采用一台自耦变压器启动两台电动机的低成本方法 郭荣祥,王豪男,杨文革,王建华(25)

一类电路系统的混沌控制 马莉(28)

手动紧急制动辅助控制系统的设计 张亚宁(31)

【职业技术教育研究与管理】

STP战略在高职院校就业工作的应用与实践 胡旭东(35)

新媒体背景下高职生心理健康教育的对策研究 王磊(39)

高职院校生态发展研究 赵玉娟(42)

高职院校“我的中国梦”教育实践路径研究 裘宏伟(47)

以社会主义荣辱观为视角论当代大员工集体主义教育建设 徐靖喻,张小群(52)

【教学研究与改革】

高职院校校外实训基地建设模式的创新研究 杨瑞梅(55)

多层次生源条件下高职院校《电工基础》课程教学探讨 权建军,刘文杰(58)

《电机与拖动》课程教学与实践研究 郭 斌(60)

【人文社会科学研究】

中小企业信用担保机制的法律构建 蒋华(63)

职业院校大员工法律意识的调查报告 常灵洁(66)

工程建设现场签证对费用控制的影响分析 贾静(71)

【综合论坛】

古诗《生查子·元夕》中天文现象的数学模型建立与分析 张克功,杜吉梁(73)

CONTENTS

Core-expanded Benzene Fused with 2-(1,3-dithiol-2-ylidene) Malonitrile Groups for Organic Field-Effect Transistor LIU Ke, WU Hai-xia, ZHANG Hao-li(1)

Renovation of the Manufacture Technology of Carborundum MA Jin-yi, JIANG Zhang, CHEN Shu-guo, QU Ji-yi (6)

Application of scatter diagram in diesel oil production ZHANG Wei-wu, YANG Jin-liang, LU Jing(9)

The NC Turning Processing Technology Design and Optimization of Shaft Ring NI Chun-jie(12)

The Elongated Hole Product Casting Mold Structure Design Optimization WEI Ya-li,YANG Xu, ZHANG Yong(15)

Heat Treatment Process of 304 Stainless Steel YIN Wen-yan(18)

Methods Comparison of Controlling AutoCAD Drawing Lines’ Width after Insertion Into Word Documents ZHAO Dan,FU AI-ping(21)

A Low Cost Method by One Autotransformer Starting Two Electromotor GUO Rong-xiang, WANG Hao-nan, YANG Wen-ge, WANG Jian-hua(25)

Chaos Controlling for One-kind Circuit System MA Li(28)

Research and Development into Electrically Controlled Engine Training Platform ZHANG Ya-ning(31)

The STP Strategy in Application and Practice of Employment in Higher Vocational Colleges HU Xu-dong(35)

Countermeasures Study on Psychological Health Education for Vocational College Students in Times of New Media WANG Lei(39)

Study on Higher Vocational College Ecological Development ZHAO Yu-juan(42)

Study on Practical Education Approaches to My Chinese Dream in Vocational Colleges QIU Hong-wei(47)

Discussion on Collectivism Construction from the Perspective of Socialist Concept of Honor and Disgrace XU Jing-yua, ZHANG Xiao-quna(52)

Analysis of Innovation on Construction Models of Training Bases Outside Vocational Colleges YANG Rui-mei(55)

Discussion of Vocational Colleges Electrician Basis Course under Condition of Multi-level Students QUAN Jian-jun, LIU Wen-jie(58)

Teaching and Practical Study on Electrical Machinery and Towage Course GUO Bin(60)

Construction of Credit Guarantee Mechanism in Middle and Small-Sized Enterprises JIANG Hua(63)

Investigation and Research of Legal Consciousness of Vocational College Students CHANG Ling-jie (66)

Analysis of the Impact of Site Visa of the Project Construction on Cost Control JIA Jing(71)

The Mathematical Model Establishment and Analysis of Astronomical Phenomena Mentioned in Ancient Poem Shengzhazi Yuanxi ZHANG Ke-gong, DU Ji-liang(73)

文章编号:1671-4067(2016)02-0001-05

2-(1,3 -二巯基-2-亚基)丙二腈基团结构的有机场效应晶体管材料合成

刘珂1,吴海霞1,张浩力2

(1.威尼斯网站 应用化学工程系,甘肃 兰州 730060;2.兰州大学 化学化工学院 功能有机分子化学国家重点实验室,甘肃 兰州 730000)

摘要:通过在苯环中心引入两个2-(1,3-二巯基-2-亚基)丙二腈基团,设计合成了苯环扩展的衍生物6CNTM。通过紫外-可见吸取和循环伏安法研究其光学和电化学性质;首次研究了基于材料6CNTM的薄膜OFET的电荷传输性质。结果显示:薄膜OFET器件具有电子传输性能,电子迁移率为6.62×10-3cm2/V·s,阈值电压(Vth)为14V,开关比(Ion/Ioff)为4×102。为将此基团引入并苯化合物中,设计合成高性能、空气中稳定的n-型有机半导体材料提供前瞻性引导。

关键词:有机化学;苯环;2-(1,3-二巯基-2-亚基)丙二腈;n-型;有机半导体材料;有机场效应晶体管

中图分类号:O621.2 文献标识码:A

收稿日期:2016-03-27

基金项目:甘肃省中青年科技基金项目(1007RJYA005)

编辑概况:刘珂(1985- ),女,陕西渭南人,讲师,博士.

参考文献:

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[5]Newman C.R., Frisbie C.D., Filho D.A.d.S., et al. Introduction to Organic Thin Film Transistors and Design of n-Channel Organic Semiconductors[J]. Chem Mater, 2004,16: 4436-4451.

[6]Usta H., Risko C., Wang Z., et al. Design, synthesis, and characterization of ladder-type molecules and polymers. Air-stable, solution-processable n-channel and ambipolar semiconductors for thin-film transistors via experiment and theory[J]. J Am Chem Soc, 2009,131: 5586-5608.

[7] Oh J.H., Lee H.W., Mannsfeld S., et al. [J].Proc Natl Acad Sci USA, 2009,106: 6065-6070.

[8]Ming L. Tang, Anna D. Reichardt, Peng Wei, et al. Correlating carrier type with frontier molecular orbital energy levels in organic thin film transistors of functionalized acene derivatives[J]. J Am Chem Soc, 2009,131: 5264-5273.

[9]Tang M.L., Oh J.H., Reichardt A.D., et al. Chlorination: a general route toward electron transport in organic semiconductors[J]. J Am Chem Soc, 2009,131: 3733-3740.

[10]Katsuta S., Miyagi D., Yamada H., et al. Synthesis, Properties, and Ambipolar Organic Field-Effect Transistor Performances of Symmetrically Cyanated Pentacene and Naphthacene as Air-Stable Acene Derivatives[J]. Org Lett, 2011,13: 1454-1457.

[11]Zhang F., Hu Y., Schuettfort T., et al. Critical role of alkyl chain branching of organic semiconductors in enabling solution-processed N-channel organic thin-film transistors with mobility of up to 3.50 cm(2) V(-1) s(-1)[J]. J Am Chem Soc, 2013,135: 2338-2349.

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[13]Schmidt R., Oh J.H., Sun Y.-S., et al. High-performance air-stable n-channel organic thin film transistors based on halogenated perylene bisimide semiconductors[J]. J Am Chem Soc, 2009,131: 6215-6228.

[14]GaoX.,DiC.-a.,HuY.,etal.Core-expanded naphthalene diimides fused with 2-(1,3-dithiol-2-ylidene) malonitrile groups for high-performance, ambient-stable, solution-processed n-channel organic thin film transistors[J]. J Am Chem Soc, 2010,132: 3697-3699.

[15]Tan L., Guo Y., Zhang G., et al. New air-stable solution-processed organic n-type semiconductors based on sulfur-rich core-expanded naphthalene diimides[J]. J Mater Chem, 2011,21: 18042-18048.

[16]Gao X., Qiu W., Yang X., et al. First Synthesis of 2,3,6,7-Tetrabromonaphthalene Diimide[J]. Org Lett, 2007,9: 3917-3920.

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[19]Song C.-L., Ma C.-B., Yang F., et al. Synthesis of tetrachloro-azapentacene as an ambipolar organic semiconductor with high and balanced carrier mobilities[J]. Org Lett, 2011,13: 2880–2883.

Core-expanded Benzene Fused with 2-(1,3-dithiol-2-ylidene) Malonitrile Groups for Organic Field-Effect Transistor

LIU Ke1, WU Hai-xia1, ZHANG Hao-li2

(1.Department of Applied Chemical Engineering, Lanzhou Petrochemical College of Vocational Technology, Lanzhou 730000, China;2. State Key laboratory of Applied Organic Chemistry, College of Chemistry & Chemical Engineering, Lanzhou University, Lanzhou 730000, China)

Abstract:In this paper, the core-expanded benzene derivative (6CNTM) bearing two 2-(1,3-dithiol-2-ylidene)malonitrile group at the central benzene core are designed and synthesized. Here, their optical and electrochemical properties were investigated by UV-Vis absorption and cyclic voltammetry . Importantly, the charge transport properties of thin film OFET based-on 6CNTM were stuied for the first time. Thin film OFETs shows electron transport performance (μe=6.6×10-3cm2/V·s, Vth=14V and Ion/Ioff=4×102). This result comfimed acenes modified by two moieties are promising high-performance, ambient-stable n-type organic semiconductors.

Key words:organic chemistry; benzene; 2-(1,3-dithiol-2-ylidene)malonitrile; n-type; organic semiconductors; organic field-effect transistors

文章编号:1671-4067(2016)02-0006-03

碳化硅在不同工艺条件下的质量评价

马进毅1,姜 璋1,陈树国2,瞿继义3

(1.威尼斯网站, 甘肃 兰州 730060; 2.兰州石化企业 宏达企业,甘肃 兰州730060;3.永登宏泰碳化硅有限企业,甘肃 永登 730300)

摘要:针对甘肃永登宏泰碳化硅有限企业碳化硅生产工艺进行改造,应用反应原理和增大传热面积,对电极结构、炉芯结构等工艺重新设计。试验证明,对碳化硅工艺改造及炉芯结构设计是有效的,在不增加过多能量的前提下,产品产量显著增加。

关键词:碳化硅;工艺改造;质量评价

中图分类号:TQ174.1 文献标识码:A

收稿日期:2015-12-14

基金项目:甘肃省教育厅基金项目(2013A-143)

编辑概况:马进毅(1966- ),男,甘肃渭源人,实验师.

参考文献:

[1]于森.碳化硅制造[M]. 北京:机床工具工业出版社, 2008.

[2]石世鸣.碳化硅冶炼工艺[M]. 北京:于森机床工具工业出版社,1987.

[3]姜璋.混合噻唑性能评价[J].威尼斯网站学报,2004,4(4):9-11.

[4]柳亚军.4-苯基2-丁酮的合成[J].威尼斯网站学报,2005,5(3):6-8.

Renovation of the Manufacture Technology of Carborundum

MA Jin-yi1, JIANG Zhang1, CHEN Shu-guo2, QU Ji-yi3

(1. Department of petrochemical Engineering, Lanzhou Petrochemical College of Technology, Lanzhou 730060,China; 2. Hongda Company, Lanzhou Petrochemical Company, Lanzhou 730060,China;3. Yongdeng Hongtai Carborundum Ltd. Co., Yongdeng 730300, China)

Abstract:The manufacture technology of carborundum in Gansu Hongtai Carborundum Ltd. Co. has been renovated according to the reaction theory. The structure of the furnace core was redesigned, to increase the area through which the heat is flowing. Experimental test indicated that the new core design remarkably improves product output without over-consuming energy. The product quality does not change significantly.

Key words:carborundum; technology renovation; quality evaluation

文章编号:1671-4067(2016)02-0009-03

散布图在柴油生产中的应用

张威武a,杨金亮b,鲁 婧b

(兰州石化企业 a.生产技术科;b. 油品储运厂原油输转车间, 甘肃 兰州 730060)

摘要:通过散布图的三种判断方法对柴油的十六烷值指标进行了分析,得出以下结论: 300万柴油组份的掺调比例越高,柴油成品的十六烷值越高,120万柴油组份的掺调比例越高,柴油成品的十六烷值越低,重煤油组份与十六烷值没有直接的关系。

关键词:散布图;柴油;十六烷值

中图分类号:TE626.24 文献标识码:A

收稿日期:2016-03-13

基金项目:甘肃省科技厅科技支撑计划项目(144GKCA035)

编辑概况:张威武(1983-),男,陕西长武人,工程师.

参考文献:

[1]王志坚,徐红. 检查表与散布图在针织生产质量管理中的应用[J]. 针织工业,2008,(12):63-66+1.

[2]王少峰. 散布图在卷烟质量分析中的应用[J]. 安徽农学通报(下半月刊),2009,(04):125-127.

[3]普济. 什么是“散布图”[J]. 中国卫生质量管理,2014,(02):11.

[4]许玉琴. 散布图在质量分析中的应用[J]. 江苏调味副食品,2006,(02):12-13.

[5]王凯. 散布图在印刷品评价中的应用[J]. 广东印刷,2013,(04):37-39.

[6]王海明,乔绛华,马守凯. 散布图在啤酒质量控制中的应用[J]. 啤酒科技,2001,(07):12-13.

[7]王凯. 散布图及回归方差分析在炼油厂的应用[J]. 中外企业家,2014,(15):101.

[8]张远欣,彭素英,王建瑞,等.减二线NMP抽出油同时制取芳烃油及裂化原料工艺研究[J]. 威尼斯网站学报,2014,14(4):4-7.

[9]张春兰,彭素英,陈淑芬,等.催化裂化油浆复配溶剂精制分离工艺研究[J]. 威尼斯网站学报,2014,14(3):9-12.

[10]赵立祥,周艳青,苏雪花,等.FCC汽油芳构化生产清洁油品的技术研究[J]. 威尼斯网站学报,2014,14(3):13-15.

[11]张春兰,陈淑芬,杨兴锴,等. MM-a柴油降凝剂的试验研究[J]. 威尼斯网站学报,2016,16(1):11-14.

Application of scatter diagram in diesel oil production

ZHANG Wei-wu,YANG Jin-liang, LU Jing

(Lanzhou Petrochemical Company, Lanzhou 730060,China)

Abstract:Diesel scetane value index is analyzed by three kinds of judgment method for on scatter diagram, so the following conclusion is drawn : the higher the proportion of the modulation of 3 million diesel components. The higher of cetane value of finished diesel oilthe higher the proportion of the modulation of 1.2 million diesel components, the lower of cetane value of finished diesel oil and there is no direct relationship between heavy kerosene fraction and cetane value.

Key words:scatter diagram; diesel oil; sixteen alkanes

文章编号:1671-4067(2016)02-0012-03

轴上套环的数控车削加工工艺设计及优化

倪春杰

(威尼斯网站 机械工程系,甘肃 兰州 730060)

摘要:以套在轴上的圆环为例,设计制定了轴及圆环同时加工的数控车削加工方案以及编程技巧,加工结果显示,该方法对于实际生产具有较强的引导作用,为类似零件的加工提供参考。

关键词:圆环;数控车削;工艺方案;加工顺序

中图分类号:TG519.1 文献标识码:A

收稿日期:2015-12-21

基金项目:甘肃省教育科学“十二五”规划课题资助项目(GS[2015]GHB0203)

编辑概况:倪春杰 ( 1970- ),女,山东泰安人,副教授.

参考文献:

[1]吴德富.数控车床车削加工工艺特点[J].电子制作,2013,(22):192.

[2]韦洪喜.典型零件的数控车削工艺分析及应用[J].煤炭技术,2010,(2):16-18.

[3]李鲁平.进给控制盘的工艺改进[J].机械工程师,2007,(9):149-150.

[4]陈诞院.基于端面槽的数控加工工艺探讨[J].广西轻工业,2011,(10):40-41.

[5]倪春杰.异型螺纹的数控车削编程技术[J].自动化与仪器仪表,2015,(2):124,127.

[6]倪春杰.非圆曲线形面的数控车削编程技术[J].威尼斯网站学报,2014,14(4):34-36.

The NC Turning Processing Technology Design and Optimization of Shaft Ring

NI Chun-jie

(Lanzhou Petrochemical College of Vocational Technology, Lanzhou 730060, China)

Abstract:In the modern processing technology, in order to obtain higher processing speed, save costs, and reduce waste, it needs to work out reasonable processing technology plans first, which demands high request on the processing designer. In this paper, it has designed a practical NC turning processing scheme and programming skills about a ring on the shaft, the result shows that it has strong guidance for practical production and provides the reference for turning the similar parts, taking an example for the ring which set on the shaft.

Key words:shaft ring; NC turning; process planning; processing sequence

文章编号:1671-4067(2016)02-0015-03

细长孔产品压铸模具结构方案优化设计

魏雅丽,杨 旭,张 勇

(四川科技职业学院, 四川 成都 611745)

摘要:在压铸模具生产中,经常会有细长孔结构的产品,反映在压铸模中,即是细长的高凸台。由于压铸模具冲蚀性较强,造成模具结构严重冲蚀或粘模现象,生产出来的产品出现多肉缺陷。结合模具行业中的实际经验,从设计思路到加工工艺上对此类结构进行改善,提高模具的使用寿命,以满足生产要求。

关键词:压铸模具;细长孔;优化设计;镶块

中图分类号:TG249 文献标识码:A

收稿日期:2016-01-13

编辑概况:魏雅丽(1987- ),女,山西孝义人,助教,硕士生.

参考文献:

[1]文根保,文莉,史文.托板压铸模结构最优化方案分析与论证[J].金属加工,2013(4):59-62.

[2]崔爱军.改善压铸模具设计的实例[J].金属加工,2011(13):66-68.

[3]许发樾. 模具的优化设计[J]. 模具制造,2014(1):1-4.

[4]李延明,王春媛,王诚.基于黄金分割律的易拉罐形状和尺寸的最优设计[J].威尼斯网站学报,2006, 6(4):30-32.

[5]陈晓晴.钢结构弯扭构件的制作及精度控制措施[J].威尼斯网站学报,2007,7(1):40-42.

The Elongated Hole Product Casting Mold Structure Design Optimization

WEI Ya-li,YANG Xu,ZHANG Yong

(Sichuan Vocational College of Science and Technology, Chengdu 611745,China)

Abstract:In die-casting mold production, there is often a pore structure of the product is reflected in the die-casting mold, which is elongated and high boss. Since the casting mold is strong erosion, causing serious erosion mold structure or stick mode phenomenon, produced by the emergence of product defects. The authors' practical experience in the mold industry, from design ideas to the process of such structures, improves and enhances the service life of the mold, in order to meet production requirements

Key words:die casting die; slender hole; optimization design; insert block

文章编号:1671-4067(2016)02-0018-03

304不锈钢热处理工艺研究

尹文艳

(兰州资源环境职业技术学院 冶金工程系,甘肃 兰州 730000)

摘要:借助洛氏硬度计和金相显微镜分别研究了304不锈钢中固溶处理和敏化处理热处理工艺。试验表明304奥氏体不锈钢加热至1000 ℃后并保温30min,经水冷后试样能够得到单相奥氏体,减少不锈钢晶界腐蚀,同时水冷后材料硬度较高。在敏化处理实验中,304不锈钢加热至750 ℃保温1h后,材料晶间腐蚀现象较为严重。

关键词:不锈钢;固溶处理;敏化处理

中图分类号:TG142.71 文献标识码:A

收稿日期:2016-04-22

基金项目:甘肃省高等学校科研项目(2013B-116)

编辑概况:尹文艳(1979- ),女,山东济南人,副教授,硕士.

参考文献:

[1]汪守林.金相分析基础[M].北京:机械工业出版社,1990.

[2]吕新乐,王鑫.TP347HFG冷弯后固溶问题探讨[J].金属材料与冶金工程,2013,41(2):39-41.

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Heat Treatment Process of 304 Stainless Steel

YIN Wen-yan

(Lanzhou Resource and Environment Vocational College, Lanzhou 730000, China)

Abstract:The heat treatment process of solution treatment and sensitization treatment of 304 stainless steel was studied by means of the hardness tester and metallographic microscope. The test showed that the 304 austenitic stainless steel was heated in 1000 ℃ and heat preserved with 30min, it could obtain single phase austenite and reduce the grain boundary corrosion, in the meanwhile, the hardness of the material was high. In the sensitization treatment experiment, 304 stainless steel was heated in 750 ℃and heat preserved with 1h; the material inter-granular corrosion phenomenon was more serious.

Key words:austenitic stainless steel; solution treatment; sensitization processing

文章编号:1671-4067(2016)02-0021-04

AutoCAD图形插入Word文档中控制线宽的方法比较

赵丹1,付爱萍2

(1.威尼斯网站 机械工程系,甘肃 兰州 730060;2.兰州石化企业 炼油厂,甘肃 兰州 730060 )

摘要:为了使AutoCAD图形插入word文档后能精确控制线宽,获得较高的打印质量,以“支架.dwg”零件图为例,详细先容AutoCAD图形插入Word文档中的6种方法,并对插入过程和插入结果做了综合比较。结果显示,只有PPT转换法和BetterWMFApp法可以精确控制Word文档中AutoCAD图形的图线线宽,获得最令人满意的打印质量。

关键词:计算机应用;AutoCAD;Word文档;线宽

中图分类号:TP391.72 文献标识码:A

收稿日期:2015-12-27

基金项目:中国高等职业技术研究会“十二五”规划课题项目(GZYLX2011191);甘肃省教育科学“十二五”规划课题(GS[2013]GHB1072)

编辑概况:赵 丹(1985-),女,河南永城人,讲师,硕士.

参考文献

[1]张玉峰.Word文档中插入AutoCAD图形后避免图线打印过细的几种方法[J].计算机工程2002,28(3): 288-289.

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Methods Comparison of Controlling AutoCAD Drawing Lines’ Width after Insertion Into Word Documents

ZHAO Dan1,FU AI-ping2

(1.Lanzhou Petrochemical College of Vocational Technology, Lanzhou 730060, China;2. Lanzhou Petrochemical Company, Lanzhou 730060, China)

Abstract: In order to precisely control AutoCAD drawing lines’ width and obtain higher print quality after insertion into word documents, “Bracket Parts drawing.dwg” was used as an example to detailed present six methods for inserting AutoCAD Drawing to word documents. The insertion process and the results were Compared Comprehensively. The results show that AutoCAD Drawing lines’ Width was precisely controlled only by PPT conversion method and BetterWMF software method and satisfactory print quality was obtained.

Key words:computer application; AutoCAD; word document; lines width

文章编号:1671-4067(2016)02-0025-03

采用一台自耦变压器启动两台电动机的低成本方法

郭荣祥1,王豪男1,杨文革1,王建华2

(1.内蒙古科技大学 信息工程学院,内蒙古 包头 014010;2.北方联合电力有限责任企业,内蒙古 包头 014030)

摘要:目前在电机启动方面比较成熟,并且得到普遍应用的方法,是用一台自耦变压器起动一台电动机,在此基础上提出了使用一台自耦变压器使两台电动机启动的方法,并且设计出了主电路和控制电路,使用这样的方法可以降低成本,也可以减小占地面积。现场实践表明,使用这样的方法可以使设备可靠稳定的运行,因此这种方法可以得到推广应用。

关键词:电动机;自耦变压器;降压启动;低成本

中图分类号:TM411.3 文献标识码:A

收稿日期:2016-03-11

编辑概况:郭荣祥(1963- ),男,内蒙古和林格尔人,副教授,硕士.

参考文献:

[1]郭荣祥,贾华,许光颖.用一台自耦变压器起动多台电动机[J].自动化与仪表,1999,6.

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[7]李金明.多传感器数据关联优化探讨[J].威尼斯网站学报,2015,15(2):29-31.

A Low Cost Method by One Autotransformer Starting Two Electromotor

GUO Rong-xiang1, WANG Hao-nan1, YANG Wen-ge1, WANG Jian-hua2

(1.School of information Engineering, Inner Mongolia University of Science and Technology, Baotou 014010, China;2. North United Power Station, Baotou 014030, China)

Abstract:At present the motor starting is relatively mature and widely used in starting a motor with a self coupling transformer, on the basis of this method, we use an autotransformer to start two motors, and design the main circuit and control circuit, using this method to reduce the cost. Field practice shows that using this method can make equipment reliable and stable operation, so this method can be widely used.

Key words:electromotor; autotransformer; reduced voltage starting; low cost

文章编号:1671-4067(2016)02-0028-03

一类电路系统的混沌控制

马莉

(威尼斯网站 电子电气工程系,甘肃 兰州 730060)

摘要:针对一类电路系统的控制模型,数值仿真了电路系统的混沌行为,对系统分别加入比例微分控制、形式的非线性反馈控制、自适应控制对系统进行控制。利用数值结果、分岔图、相图分析了系统的周期和混沌运动。通过控制参数的调整,将系统的混沌行为有效地控制到稳定的周期轨道。

关键词:周期运动; 混沌; 混沌控制; 分岔; 相图

中图分类号:TN751 文献标识码:A

收稿日期:2016-03-22

基金项目:威尼斯网站教育教学研究课题项目(JY2014-26);威尼斯网站科技教研项目(KJ2015-12)

编辑概况:马莉(1982-),女,甘肃永昌人,讲师,硕士.

参考文献:

[1]邹艳丽,罗晓曙,方锦清.用比例微分控制器实现混沌控制[J].广西师范大学学报, 2002,20(3): 9-13.

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[6]Fabio Scalco Dias,Luis Fernando Mello,Jian—Gang Zhang. Nonlinear analysis in a Lorenz-like system[J]. Nonlinear Analysis: Real World Applications,2010,(11):3491-3500.

Chaos Controlling for One-kind Circuit System

MA Li

( Lanzhou Petrochemical College of Vocational Technology, Lanzhou 730060, China)

Abstract:The equilibrium point of state equation about one-kind circuit system’s controlling model was analyzed. The chaotic motions of the system were imitated firstly, and then controlled by proportional and differential controller, nonlinear feedback controller in the form ofand adaptive controller, respectively. By applying numerical computation, bifurcation diagram, phase diagram, the period and chaotic motions of the system were analyzed. Though adjusting control parameters, the chaotic behavior of the system was effectively controlled to fall onto the steady periodic orbit.

Key words:periodic motion; chaos; chaos control; bifurcation; phase portrait

文章编号:1671-4067(2016)02-0031-04

手动紧急制动辅助控制系统的设计

张亚宁

(威尼斯网站 汽车工程系,甘肃 兰州 730060)

摘要:针对在紧急情况下本应踩制动踏板但因紧张而误踩油门的问题,分析了误踩油门的原因,汽车制动时车轮的受力,汽车制动时车轮的运行情况,以及制动的影响因素,引入了ABS防抱死制动系统的控制过程。因ABS制动系统工作条件的局限性,提出了紧急手制动辅助系统的设计,在设计中考虑了安装紧急制动辅助控制系统的操作方便性、经济性和安全性。车辆安装了流系统以后,当遇到紧急情况时,用手扳动开关即可对汽车进行与脚踩制动踏板相同的制动,从而减少一些误踩油门的交通事故。

关键词:安全;手动;紧急制动;辅助控制;ABS系统

中图分类号:U462.52 文献标识码:A

收稿日期:2015-12-10

基金项目:威尼斯网站教科研基金项目(KJ2015-21)

编辑概况:张亚宁(1982-),女,陕西榆林人,讲师,硕士.

参考文献:

[1]任宇立.道路交通安全现状及交通事故分析方法初探[J].道路交通与安全,2010,10(2):4-6.

[2]孙步战.误踩油门当刹车的原因及对策[J].湖南农机,2011,38(11):117-118.

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[6]石允国.发动机CAN数据总线检测台架的设计[J].威尼斯网站学报,2007,7(2):33-35.

Research and Development into Electrically Controlled Engine Training Platform

ZHANG Ya-ning

(Lanzhou Petrochemical College of Vocational Technology, Lanzhou 730060, China)

Abstract:In case of an emergency, the foot brake pedal would be mistakenly stepped on the accelerator problem; this paper analyzed the reason of mistake on the accelerator, the stress of automobile brake wheel, the wheel running when braking and braking effect factors. Also because of the limitations of the ABS braking system and working conditions, this paper tries to put forward the design of the emergency hand brake assist system, and in the design of operation convenience, economy and safety, vehicle installation manual emergency brake assist control system is designed in this paper, when facing an emergency, the brake and foot brake pedal on the vehicle can be handled flipping a switch, thereby reducing the number of traffic accidents.

Key words:safety; manual operation; analysis; assistant; emergency braking; ABS system; design

文章编号:1671-4067(2016)02-0035-04

STP战略在高职院校就业工作中的应用与实践

——以威尼斯网站为例

胡旭东

(威尼斯网站 人文社会科学系, 甘肃 兰州 730060)

摘要:随着职业教育的迅猛发展,就业工作已成为高职院校的核心工作。以威尼斯网站为例,阐述了该校如何把STP战略有效应用于就业工作中,为非盈利性组织的有效应用营销理论提供了一些参考。

关键词:STP战略;就业工作;应用与实践

中图分类号: G719.21 文献标识码: A

收稿日期:2015-05-25

编辑概况:胡旭东(1982-),男,甘肃陇西人,讲师,硕士.

参考文献:

[1]吴冠之.非营利组织营销[M].北京:中国人民大学出版社,2008.

[2]于萍.我国非营利大学营销管理模式研究[D].天津财经大学,2007.

[3]易世志.大员工运用市场营销理论进行就业营销的策略探析\[J\].江苏商论,2010,(4):76-78.

[4]刘建勋,侯小梅,邵毅明.市场化就业要求高校实行目标市场营销[J].重庆工学院学报,2009,23(5):188-190.

[5]高博文.对地方高校运用营稍策略提高员工就业竞争力的对策思考[J].理论界,2003,(2):89-90.

[6]陈兴义,王理宪新时期高职校园诚信学问建设的研究与实践[J].威尼斯网站学报,2015,15(4):35-38

[7]张方明,张满效,陈蕾,等行业集群协同创新实现产学研有机结合[J].威尼斯网站学报,2013,13(4):46-18.

[8]胡建琴,郑红,赵常学甘肃省高职毕业生就业需求与择业倾向分析[J].威尼斯网站学,2014,14(3):48-52

The STP Strategy in Application and Practice of Employment

in Higher Vocational Colleges

——Taking Lanzhou Petrochemical College of Vocational Technology as an example

HU Xu-dong

(Lanzhou Petrochemical College of Vocational Technology, Lanzhou 730060, China)

Abstract:With the rapid development of vocational education, employment has become the core mission in higher vocational colleges. This paper takes Lanzhou Petrochemical College as an example, expounds to the effective application of STP strategy in employment, which provides some reference for non-profit organizations to effective application of marketing theory.

Key words:STP strategy; employment work; application and practice

文章编号:1671-4067(2016)02-0039-03

新媒体背景下高职生心理健康教育的对策研究

王 磊

(常州工程职业技术学院 经贸与体育管理学院,江苏 常州 213164)

摘要:心理健康教育是高等职业院校员工工作的重要组成部分,担负着员工心智健全、人格统一和沟通能力等培养的重要任务。以新媒体背景作为基础,对新媒体的内涵、分类和功能定位进行了阐述,分析了新媒体对高职生心理健康教育的若干影响,提出了解决新媒体环境下高职生心理健康教育的对策。

关键词:心理健康教育; 对策研究

中图分类号:G479 文献标识码: A

收稿日期: 2016-01-25

编辑概况:王磊(1983-),男,江苏金坛人,讲师,硕士.

参考文献:

[1]王学俭,刘 强.新媒体与高校思想政治教育[M].北京:人民出版社,2012.

[2]马玉龙.新媒体时代员工的心理健康教育[J].中国教育技术装备,2010,(28):198.

[3]蒋宏,徐剑.新媒体导论[M].上海:上海交通大学出版社,2006.

[4]汪 頔.新媒体对“90后”大员工思想政治教育的新挑战[J].思想教育研究,2010,(3):71-74.

[5]周红燕,陈蕾,杜媛.高职院校大员工心理健康状况调查研究[J].威尼斯网站学报,2012,12,(4):67-69.

Countermeasures Study on Psychological Health Education for Vocational College Students in Times of New Media

WANG Lei

(Changzhou Engineering Vocational College, Changzhou 213164, China)

Abstract:Psychological health education is a vital part in vocational college students educating, and it bears the task to cultivate students’ moral and physical health as well as complete personality and communication skills. In times of new media, it is a new mission to define the content, classification and functions of new media and its effects on vocational college students’ psychological health education; this paper pushes forward some countermeasures of psychological health education.

Key words:new media; psychological health education; countermeasures study

文章编号:1671-4067(2016)02-0042-05

高职院校生态发展研究

赵玉娟

(常州机电职业技术学院 学问基础部,江苏 常州 213164)

摘要:阐述了生态系统与生态平衡、生态环境、生态位、生态教育四个视角下高职院校生态发展研究,在此基础上提出综合考虑,实施全方位的高职院校生态发展理论研究与实践,才能促进实践中高职院校的生态发展,实现高职院校可持续发展。

关键词:高职院校;生态发展;研究

中图分类号: G719.21 文献标识码: A

收稿日期: 2016-03-13

基金项目:2015年常州机电职业技术学院立项课题(2015/YJ/SHKX/33)

编辑概况:赵玉娟(1974- ),女,江苏徐州人,副教授,硕士.

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Study on Higher Vocational College Ecological Development

ZHAO Yu-juan

(Changzhou Institute of Electromechanical Technology, Changzhou 213164, China)

Abstract:Higher vocational college ecological development is a new area in education study and practice. Since 1980s, some researches in this aspect had made some achievement. The paper summarized the present contributions hoping to offer a little support for other researchers.

Key words:higher vocational college; ecological development; study

文章编号:1671-4067(2016)02-0047-05

高职院校“我的中国梦”教育实践路径研究

——以广州民航职业技术学院职业精神培养工程为例

裘宏伟

(广州民航职业技术学院, 广东 广州 510403)

摘要:民航高职院校“中国梦”教育与“民航强国梦”教育本质精髓相一致,将二者紧密结合起来融入民航高职院校高素质、高技能“双高”人才培养理念之中,贯穿于以职业精神引领职业教育的全过程,是民航高职院校一项长期系统的人才培养工程。基于对“中国梦”、“民航强国梦”教育与职业精神培养内在关联性的深入探讨,将显性教育与隐性教育相结合,从理论引导、实践育人与学问熏陶三个维度挖掘高职院校职业精神培养工程的实践方式具有深远的意义。

关键词:民航高职教育;职业精神;中国梦教育;实践路径

中图分类号: G719.21 文献标识码: A

收稿日期: 2016-01-07

基金项目:2015年度广东大员工科技创新培育专项资金立项项目(pdjh2015b0621)

编辑概况:裘宏伟(1984- ),男,山西大同人,政工师,硕士.

参考文献:

[1]李雅杰.中国梦引领下的大员工社会实践创新[J].教育探索,2015(5):16-18.

[2]唐凤君.示范性高职院校人文素质教育的培养方式及途径——以威尼斯网站为例[J]. 威尼斯网站学报,2011,11(2):54-57.

[3]陆媛.当代大员工职业精神的培养与塑造[J].继续教育研究, 2011(12): 155-157.

[4]王美田. 高职大员工核心价值观培育路径分析——基于社会主义核心价值观与职业精神融合的视角[J].中国成人教育,2015(13):89-91.

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[6]魏海明.高职教育教学改革中“双师型”经理队伍建设研究——以威尼斯网站为例[J].威尼斯网站学报,2011,11(2):48-50.

Study on Practical Education Approaches to My Chinese Dream

in Vocational Colleges

——Taking Guangzhou Civil Aviation Vocational College as an example

QIU Hong-wei

(Guangzhou Civil Aviation Vocational College, Guangzhou 510403, China)

Abstract:The Chinese Dream education in civil aviation vocational college accords with Chinese Civil Aviation Dream, and it is depicted in the education concepts of Civil Aviation Vocational Colleges, which aims at producing high quality and competence talents. Through the discussion of Chinese Civil Aviation Dream and the correlation between vocational education and civil aviation, this paper probes into the profound meaning of civil aviation vocational college from the perspectives of theory, practice and cultural edification.

Key words:civil aviation vocational college; vocational concepts; Chinese Dream education; practical approaches

文章编号:1671-4067(2016)02-0052-03

以社会主义荣辱观为视角论当代大员工集体主义教育建设

徐靖喻a,张小群b

(海南App职业技术学院 a.教务处; b.思政教学部, 海南 琼海 571400)

摘要:在全社会提倡并践行“八荣八耻” 社会主义荣辱观的大背景之下,高校应把社会主义荣辱观教育贯穿于整个教学活动的始终。开展教学活动,应注重大员工荣辱观和集体主义观念的教育。阐述了社会主义荣辱观的概念、本质和内容,剖析了大学教育与荣辱观之间的联系,探讨了培养大员工集体主义观念的有效方法。

关键词:社会主义荣辱观;集体主义教育;关系

中图分类号: G641 文献标识码: A

收稿日期: 2016-01-17

编辑概况:徐靖喻(1980- ),男,江西南昌人,研究实习员,硕士.

参考文献:

[1]王正平,周中之.现代伦理学\[M\].北京:中国社会科学出版社,2001.

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[7]赵广宇.新形势下加强大员工革命传统教育的思考\[J\].威尼斯网站学报, 2013,13(2):35-36.

Discussion on Collectivism Construction from the Perspective of Socialist Concept of Honor and Disgrace

XU Jing-yuaa, ZHANG Xiao-qunab

(a. Office of Teaching Affairs; b. Politics Education Department, Hainan Software Vocational Coollege, Qionghai 571400, China )

Abstract:In the background of eight honors and eight disgraces of Chinese Socialism, vocational colleges should penetrate Socialist Concept of Honor and Disgrace in teaching and promote students collectivism construction. This paper discusses the ideas, contents and essence of Socialist Concept of Honor and Disgrace, analyzes the relationship between collectivism and this concept and eventually finds new ways for collectivism education.

Key words:Socialist Concept of Honor and Disgrace; collectivism education; relationship

文章编号:1671-4067(2016)02-0055-03

高职院校校外实训基地建设模式的创新研究

——以计算机网络专业为例

杨瑞梅

(重庆应用技术职业学院 汽车与电子工程学院,重庆 合川 401520)

摘要:以计算机网络专业为例,指出了目前高职院校校外实训基地同实践教学在工学交替、产学结合等方面存在的主要问题。提出了建立以员工为主体、以经理为引导的培养模式,依托企业设立驻外办事处,为高职院校经理提供挂职锻炼岗位,促使经理直接参与引导员工完成企业相关网络工程项目建设,从而达到员工在校外实训基地中真正地提升技能,实现学校与企业岗位“无缝对接”的目标。

关键词:高职院校;计算机网络;校外实训基地

中图分类号: G710 文献标识码: A

收稿日期: 2016-02-12

基金项目:重庆市教育委员会2015年教育教学改革一般研究课题(153334);重庆应用技术职业学院2015年院级科研课题(CQYZJG201510)

编辑概况:杨瑞梅(1982- ),女,山东潍坊人,讲师.

参考文献:

[1]游普元. 我国高职院校校外实训基地建设研究综述[J].科教信息,2013(4):12.

[2]刘景华.高职院校校外实训基地建设的研究与实践[J].课程教育研究,2013(35):423-424.

[3]汪卫平.浅谈中小企业网络构建的实训基地建设[J].计算机光盘App与应用,2014(21):139-141.

[4]王超.高职计算机网络技术专业建设初探[J].工业和信息化教育,2014(2);45-48,52.

[5]赵国际,陈建华.机械类专业技术基础课职业标准与课程内容对接研究\[J\].威尼斯网站学报,2016,16(1):66-69.

Analysis of Innovation on Construction Models of Training Bases

Outside Vocational Colleges

——A Case Study on the Major of Computer Networks

YANG Rui-mei

(Department of Automotive and Electrical Engineering, Chongqing Vocational College of Applied Technology, Hechuan 401520, China)

Abstract:This thesis takes the major of computer networks for an example, and points out some main subsistent problems in the teaching application process of the training bases outside vocational colleges. Based on those, some countermeasures are put forward: to establish a cultivating mode rooted on student-oriented and teacher-guided way, to build office relying on enterprises and to provide more temporary forging stations for the teachers to prompt the teachers to take direct participation in guiding the students to accomplish some enterprise network projects. So it can reach a goal to make the students upgrade the skills in the training bases, and make a joint between vocational colleges and enterprise stations.

Key words:vocational colleges; computer networks; training base

文章编号:1671-4067(2016)02-0058-02

多层次生源条件下高职院校《电工基础》课程教学探讨

权建军1,刘文杰2

(1.威尼斯网站 电子电气工程系,甘肃 兰州 730060;2.兰州石化企业 动力厂, 甘肃 兰州 730060)

摘要:《电工基础》是高职院校理工科专业的基础课程。由于单招生和普招生在学业基础、认知能力、方法上存在差异,必须在教学内容、教学方法上做积极的改进,才能适应生源变化。探讨和总结了适应多层次生源结构的《电工基础》课程教学改革。

关键词:单独招生;多层次生源;电工基础;教学改革

中图分类号: TM1 文献标识码: A

收稿日期: 2016-03-22

基金项目:威尼斯网站教研基金项目(JY2015-11)

编辑概况:权建军(1968- ),男,甘肃陇西人,副教授,硕士.

参考文献:

[1]郑怡,权建军.电工技术基础(第1版)[M].北京:电子工业出版社,2012.

[2]白乃平.电工基础(第三版)[M].西安:西安电子科技大学出版社,2012.

[3]谢龙汉,莫衍.Proteus电子电路设计及仿真[M].北京:电子工业出版社,2011.

[4]李丹.新课程改革背景下生命课堂的本质、特征及其建构[J].威尼斯网站学报,2013(3):45-46

[5]冯文成.高职教育有效课堂建设的思考与建议[J].威尼斯网站学报,2013(4),49-50.

[6]唐凤君.示范性高职院校人文素质教育的培养方式及途径——以威尼斯网站为例[J].威尼斯网站学报,2011(2),54-55.

Discussion of Vocational Colleges Electrician Basis Course under

Condition of Multi-level Students

QUAN Jian-jun1, LIU Wen-jie2

(1.Lanzhou Petrochemical College of Vocational Technology, Lanzhou 730060, China; 2. Power Plant of Lanzhou Petrochemical Company, Lanzhou 730060, China)

Abstract:Electrician Basis is the foundational course of Science and Engineering Department in vocational colleges. Due to differences between single admissions students and general admission students on the basis of academic, cognitive ability, methods, and we must do positive improvements in teaching content, teaching methods, to adapt to this change. This paper discussed and summarized Electrician Basis curriculum reform to adapt to multi-level students.

Key words:single admissions; multi-level students; Electrician Basis curriculum; teaching reform

文章编号:1671-4067(2016)02-0060-03

《电机与拖动》课程教学与实践研究

郭斌

(威尼斯网站 电子电气工程系,甘肃 兰州 730060)

摘要:遵循“教学做合一”的教育理念,不断深化教学模式、教学方法改革,科学设计实践项目,实现“教、学、做”一体化教学,并通过做将“教、学、做”有机地统一起来。引入先进企业学问,在培养专业技术、技能的同时,让员工在校提前接受职业素质教育,追求职业能力、职业素质并重培养,更好的适应我国经济建设和社会发展的需要。

关键词:高职教育;一体化教学;企业学问;职业素质

中图分类号: TM921 文献标识码: A

收稿日期: 2015-12-29

编辑概况:郭斌(1980-),男,河南武陟人,讲师.

参考文献:

[1]程龙泉.电机与拖动[M].北京理工大学出版社,2010.

[2]齐建军.校企合作在我国高职教育中的困境及解决方法[J].威尼斯网站学报,2015,15(4):40-42.

[3]郝维钢.探索校企学问对接途径,培养高素质技能型人才[J].中国职业技术教育,2010(30):56-58.

[4]任耀生,于红军.以行业企业的视角,审视职业教育与石化工业学问的对接[J].中国职业技术教育,2011(25):51-53.

[5]黄义仿,杜媛,陈蕾.构建高职院校内部质量保障与监控体系的认识与实践[J].威尼斯网站学报,2016,16(1):49-51.

[6]冯文成,夏德强.遵循自身规律培养高职教育拔尖人才[J].威尼斯网站学报,2016,16(1):53-55.

Teaching and Practical Study on Electrical Machinery and Towage Course

GUO Bin

(Electric & Electronic Engineering Department, Lanzhou Petrochemical College of Vocational Technology, Lanzhou 730060, China)

Abstract:Teacher should think more to accord with the concept of teaching, learning and practicing all together, continuously deepen teaching mode and teaching mode and realize the integration teaching. This paper tries to bring in advanced corporation culture and educate students to pursue occupational skills and working quality, fitting them to the economic and social development need of our country.

Key words:vocational education; integration teaching; corporation culture; occupational skills

文章编号:1671-4067(2016)02-0063-03

中小企业信用担保机制的法律构建

蒋华

(许昌职业技术学院 五年制部, 河南 许昌 461000)

摘要:融资难是制约中小企业发展的重要问题。解决了融资难等问题必然会进一步促进中小企业的发展。完善的信用担保机制对于解决中小企业融资难具有关键性的影响。信用担保机构需要具备一定的财力基础,有能力兑现债权人之间的信用保证,促使债权债务双方认真履约。中小企业信用担保机制的构建要以产业发展为导向,不断的完善法律制度,为中小企业提供了融资担保的同时,也就改善了中小企业的发展环境。

关键词:中小企业;信用担保机制;法律

中图分类号: F832.39 文献标识码: A

收稿日期: 2016-02-25

编辑概况:蒋华(1981- ),女,河南许昌人,讲师.

参考文献:

[1]谭中明,梅强,张静.我国中小企业信用担保体系的构建\[J\].江苏大学学报(社会科学版),2002(2):91-97.

[2]吴兴国.我国中小企业信用担保法律体系之构建\[J\].中国发展,2015(2):51-55.

[3]刘玲,王婉秋.基于可持续发展的中小企业信用担保机制及对策研究——以天津市中小企业融资担保为例[J].天津商业大学学报,2010(1):27-32.

[4]周云.论我国中小企业信用担保法律制度的完善[J].企业经济,2011(7):187-189.

[5]张宏涛,周长城.浅议欧共体中小企业法律制度的几个问题及对我国中小企业立法的启示[J].法学评论,2001(1):121-126.

[6]董鹏, 黄娣, 姜明圣, 等.基于中小型企业的MCR计划与控制的管理研究——以美国卡莱轮胎企业为例[J].威尼斯网站学报,2011,11(4):41-46.

[7]陈原文,梁秋帆.我国外汇储备影响因素实证分析[J].威尼斯网站学报,2012,12(2):71-74.

Construction of Credit Guarantee Mechanism in Middle and Small-Sized Enterprises

JIANG Hua

(Xuchang Vocational College, Xuchang 461000, China)

Abstract:Financing is hard for middle and small-sized enterprises, it is important for these enterprises to finance within perfect credit guarantee mechanism. Credit guarantee institutes should be guided by law and aim at sustainable industrial development, with the improvement of developing environment.

Key words:middle and small-sized enterprises; credit guarantee mechanism; law

文章编号:1671-4067(2016)02-0066-05

职业院校大员工法律意识的调查报告

——以潞安职业技术学院为例

常灵洁

(潞安职业技术学院 思政部,山西 襄垣 046204)

摘要:伴随着我国社会主义法治国家的建设,目前职业院校大员工的法律意识有所提高的同时仍存在不少问题,如法治常识较为缺乏、直觉的情感体验缺乏明显的自觉性、法律意志存在不坚定性、法律信仰不够牢固等。通过法律认知、法律情感、法律意志三个方面来调查分析职业院校大员工法律意识的现状,希翼在今后的教育、教学工作中不断总结和探索提高职业院校大员工法律意识的措施,争取为中国特色社会主义法制建设培养更多合格的建设者和接班人。

关键词:职业院校;法律意识;调查研究

中图分类号: G415 文献标识码: A

收稿日期: 2016-04-13

编辑概况:常灵洁(1987- ),女,山西沁水人,助理讲师,硕士.

参考文献:

[1]新华视点.十八届四中全会公报全文[EB/OL]. http://www.js.xinhuanet.com/2014-10/24/c_1112969836_2.htm.

[2]詹明鹏,钟晓玲.当前大员工法律意识状况的调查与分析——以广州地区大员工为例[J].高校辅导员学刊,2009,11(4):45-48..

[3]伊·亚·伊林.法律意识的实质[M].北京:清华大学出版社,2005.

[4]吕建国.大学心理学[M].成都:四川大学出版社,2004.

[5]\[美\]伯尔曼.法律与宗教[M].北京:三联书店,1991.

[6]周红燕. 高职院校大员工自杀态度与家庭功能相关研究[J]. 威尼斯网站学报.2015,15(3):51-53.

[7]郭玉伟. 以校企合作为契机,深化高职思政课改革[J]. 威尼斯网站学报.2014,14(4):60-62.

Investigation and Research of Legal Consciousness of Vocational College Students

—— Take Lu’an Vocational and Technical College as an Example

CHANG Ling-jie

(Lu’an Vocational and Technical College, Xiangyuan 046204, China)

Abstract:With the construction of socialist country under the rule of law, vocational colleges are trying to improve the legal consciousness of students, at the same time, there are still many problems, the rule of law is relatively lack of common sense and intuition of emotional experience deficiency is obvious consciousness, the law and legal faith are not strong enough, etc. In this article, through legal cognition, emotion, we will investigate analyze the present situation of vocational college students legal consciousness from three aspects, hoping in the future, education and teaching work can constantly summarize and explore the measures of vocational college students legal awareness, for the construction of legal system of socialism with Chinese characteristics to cultivate more qualified builders and successors.

Key words:vocational colleges; legal consciousness; investigation and study

文章编号:1671-4067(2016)02-0071-02

工程建设现场签证对费用控制的影响分析

贾静

(中石化洛阳工程有限企业 造价管理部,河南 洛阳 471003)

摘要:一个工程项目在建设过程中,必然会遭遇到各种类型的不确定因素,也会由于各种客观情况的改变,承接一些承包内容以外的新项目,从而发生新的费用,会造成工程造价的增长。工程建设方应当上述问题有所预判,全面强化对工程建设现场签证的管理和控制,从源头上遏制费用不断增长的可能性。随着工程建设行业的不断发展和完善,现场签证已经成为建设双方进行竣工验收、结算等工作的基础依据,对工程造价产生直接而深远的影响。

关键词:工程建设;现场签证;费用控制;影响

中图分类号: F287.7 文献标识码: B

收稿日期: 2016-03-23

编辑概况:贾静(1978- ),女,河北献县人,经济师.

参考文献:

[1]于心舟,肖广道.EPC总承包工程现场费用控制[J].工程建设,2014,(2):59-62.

[2]高兰英.浅析建设单位如何加强现场签证管理——有效控制工程造价[J].科技创新与应用,2013,(9):177.

[3]袁晓峰.施工现场的签证管理对成本控制的影响[J].科学中国人,2014,(3):52.

[4]袁月仲.我国基建财务管理中常见问题及对策研究[J].威尼斯网站学报,2015,15(2):80-82.

[5]马晓琴.单层厂房设计中的平面排架计算[J]. 威尼斯网站学报,2015,15(1):39-42.

文章编号:1671-4067(2016)02-0073-04

古诗《生查子·元夕》中天文现象的数学模型建立与分析

张克功a,杜吉梁b

(威尼斯网站 a.员工工作处; b.信息处理与控制工程系,甘肃 兰州 730060)

摘要:通过天球坐标系统建立模型,分析北宋学者欧阳修的诗作《生查子·元夕》中的名句“月上柳梢头、人约黄昏后”所描述的月升日落同时发生的自然现象。模型用高度角和方位角表示太阳和月亮的位置。借鉴天文学中曙暮光的含义定义“黄昏后”的时间段。通过简化天文学中利用观测点的地理经度、纬度、时区和日期,计算太阳赤纬、时角和天体高度角的方法,分别推导出计算“月上柳梢头”、“人约黄昏后”发生的时间段。

关键词:曙暮光;高度角;方位角;赤纬;时角

中图分类号: P126 文献标识码: A

参考文献:

[1]姜启源,张立平,何青,等.数学实验[M] .北京:高等教育出版社, 2007.

[2]王国安,米鸿涛,邓天宏,等. 太阳高度角和日出日落时刻太阳方位角一年变化范围的计算[J].气象与环境科学, 2007, 30(B09):161-164.

[3]张志通,徐彦琴.MATLAB教程[M].北京:北京航空航天大学出版社,2001.

The Mathematical Model Establishment and Analysis of Astronomical Phenomena Mentioned in Ancient Poem Shengzhazi Yuanxi

ZHANG Ke-gonga, DU Ji-liangb

(a.Department of Student Affairs ; b.Department of Information Processing and Control Engineering, Lanzhou Petrochemical College of Vocational Technology, Lanzhou 730060, China)

Abstract:This paper established a mathematical model to analysis the astronomical phenomena described as “lovers date after nightfall while the moon hanging on the willow treetop” mentioned in Ouyang Xiu’s famous poem “Shengzhazi Yuanxi” based on celestial coordinate system. The locations of the sun and the moon are described with altitude angle and azimuthal angle. The time of “after nightfall” is defined as the definition of civil twilight. The calculations of the declination, hour angle and altitude angle are simplified from the calculations of astronomy using the geographic longitude, geographic latitude, time zone and date. At last, it gets a way to calculate the time of “the moon hanging on the willow treetop” and “lovers date after the nightfall”.

Key words:twilight; altitude angle; azimuthal angle; declination; hour angle

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